To adjust Ping & Ping-backs Setting, follow the below:
From Cpanel, select Setting> Dimofinf Setting> then Ping & Pingbacks as the picture below:
The below settings will appear as shown in the below picture:
Activate Ping: is used to activate or deactivate the ping feature.
Activate Pingbacks: is used to activate or deactivate the Ping-Backs feature.
Ping Services: websites that receive Ping, are added in this box.
Denied IP Addresses From Pingbacks: this option is used to ban some IPs addresses from receiving Ping-Backs.
Denied Websites From Pingbacks: this option is used to ban some websites addresses from receiving Ping-Backs.
How many incoming links would you like to display on the control panel homepage?: this option is used to set the number of received URLs shown on the CPanel main page.
Press (Edit Settings) to save.